The Signals are determined by atomic clocks and synchronised Together with the worldwide process of clocks that assistance Coordinated Universal Time. India's time zone is based on the 82.5°E meridian, which passes through Mirzapur. The fifty percent-hour offset was chosen to maintain the time near the imply solar time across https://arthurudmqp.wikicorrespondence.com/7005910/ist_time_fundamentals_explained